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Martin / 00042 Conversion / 1963 / Guitar

This is a 000-28c from 1963 which has been converted to a 00042 style by John Greven. John worked as a repairman in George Gruhn’s shop for a number of years and really pulled out the stops. He slimmed the neck from 2″ to 1 13/16″ and managed to use the old steel tuners for the peghead. The bindings were salvaged as was the finish for the back and sides! The topwood is Adirondack Red Spruce obtained from John Arnold. This particular top has fantastically tight grain and displays excellent silking. The figured back and sides on this guitar also deserves a special mention, this is one of the most figured Brazilian rosewood back and sides we've seen. After an initial break in period of a few months, this guitar has opened up nicely with an impressive balance coupled to exceptional volume and response. The overtones have a particular depth to them and the speed with which the guitar reacts to nuances in playing is impressive. Included is the original hardshell case and CITES. Finish: Natural Body Shape: 000 12-fret Top Material: Adirondack Spruce from West Virginian Smoky Mountains Body Material: Brazilian Rosewood Body Details: Dalmation style pickguard, 42-style abalone border inlays, Ivoroid body bindings, Abalone multi-layered soundhole ring, Marquetry backstrip Neck Material: Mahogany Neck Profile: C Fingerboard Material: Ebony Fingerboard Radius: 16” Neck Details: Style 42 Abalone fingerboard inlays Nutwidth: 45 mm – 1 3/4" Scale Length: 645 mm – 25 3/8" String Spacing: 57 mm – 2 1/4" Bridge Material: Ebony Tuners: Original Pickup: - Condition: Excellent Cosmetic Condition: - Modifications/, Repairs: 000-28C conversion to 000-42 Tech Notes: - Travels in: - Case Details: Original hardshell case Accessories: -
Instrument sold

The Fellowship Of Acoustics, Netherlands  

Contact name:
The Fellowship of Acoustics
Martin, Gibson, Fender, Vintage Guitars, Santa Cruz, PRS, Collings, Rozawood, etc..
English, Dutch and German
Fine, Vintage and Rare Guitars
Opening hours:
Monday - Saturday: 10am - 6pm.


I have always been opposed to being trapped into a job eight hours a day to purchase the free time to do what I enjoy. That’s why i started the Fellowship of Acoustics. The fellowship of acoustics was founded by Rudi Bults, Guitarist and obsessed with tone and wood. The idea was offering real expertise when trading and selling the finest instruments in the world from our showroom in Bergentheim, Netherlands. Helping others find the right tools and enjoying an atmosphere that’s unhurried, honest and informative that’s my go. We are nothing like the "supermarket" style music stores, but specialize in string-things only. We are widely known for Flattop guitars but also sell electric, mandolins & banjo’s, amps, parts, and accessories. Our store has earned the reputation for being a great place to shop for the best products and service.
It is our hope that this new website - much more than a list of "gear" for sale - will serve as an example of our commitment to offering a more personal approach, a friendly atmosphere, and an ultimately more satisfying experience for our friends and customers.
If you have any questions just dial +31-523-232205 or e-mail My name is Rudi Bults, and I’m always here to help out. Wherever possible, we would recommend that you visit our store and experience our instruments and service first hand. However, because of our high standards you can be confident of ordering online from us. We hope you enjoy your visit to our site, and welcome your feedback.


We do speak English, Dutch and German! Feel free to call in any of these languages and ask your questions! Call 0031-523-232205




We LOVE Guitars, and buy and trade for most stringed instruments. But we also do consignment, make appraisals for insurance or put you on our watch list. Please check the Buying & Trading page for details.
The Fellowship of Acoustics BV
Kanaalweg oost 36
7691CE Bergentheim
To order online: go to
And choose your Guitar and purchase through the website.

Available methods of payment
# Paypal
# Credit Card (MasterCard/Visa/AmEx) only available for European Community and USA.
# Bank-Wire transfer

Call for Online Order+31(0)523-23-2205
our policy:
14 day money in return return warranty  Shipping cost, and Customs & import return costs -bothways- are buyers responsibility
1 year Guarantee on Used Guitars
5 years Guarantee on New guitars (or 'limited lifitime' if the Builder guarrantees such)

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